defconfig: msm9615: Enable configs to support multicast
defconfig: msm9615: Enable configs to support multicast

These configs are needed to support multicast on networks
with colliding subnet.

Change-Id: I395cb7527da1867d439f8e9e0a5d944acc55699e
Signed-off-by: Smita Ghosh <d2f54aa22f1e77997ece4af12303fa756572fbcb@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas